The typical medicine constituting elderly people cause of a fall is the anxiolytic and hypnotic drugs of Benzodiazepines. The danger of the fall by the prolonged action type or the medicine with a strong line relaxation action is suggested especially. Moreover, anti-depressant drugs and anti-hypertensive drugs with alpha-adrenaline interception action also causes orthostatic hypotention, and induces a fall. In elderly, there are many complications and there is a tendency for combined use medicine to increase in number. Since the danger of fall increases in proportion to the number of medicines, much more cautions are required of the elderly people who have taken two or more medicines.